:root{font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#302e28;background:#f7f5f0;font-synthesis:none;line-height:1.6;color-scheme:light;--muted:#77756d;--line:#e4e0d6;--accent:#92573c;--paper:#fffefa}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,textarea{font:inherit}button,a,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a:focus-visible,button:focus-visible{outline:3px solid #bd8c70;outline-offset:5px}textarea:focus-visible{outline:2px solid #bd8c70;outline-offset:3px}[hidden]{display:none!important}.site-shell{max-width:1120px;margin:auto;padding:0 40px}.site-header{height:108px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:12px;font-size:23px;font-weight:650;letter-spacing:-.6px}.brand-mark{display:grid;place-items:center;background:#e9e2d5;border-radius:12px;color:#775a40;font-family:Georgia,serif;font-size:26px;font-weight:400;width:42px;height:42px}.brand-caption{display:block;font-size:10px;line-height:1;letter-spacing:2px;color:var(--muted);font-weight:400;margin-top:5px}.quiet-label{font-size:12px;color:var(--muted)}.landing{padding:92px 0 84px}.welcome-card{max-width:720px}.eyebrow{font-size:10px;letter-spacing:2.6px;color:var(--accent);font-weight:650;margin:0 0 20px}.welcome-card h1{font-size:clamp(38px,5.6vw,64px);line-height:1.35;font-weight:550;letter-spacing:-2px;margin:0}.intro{font-size:17px;line-height:1.9;color:#6b685f;max-width:510px;margin:26px 0 30px}.button{display:inline-flex;justify-content:center;align-items:center;gap:26px;min-height:44px;border:1px solid transparent;border-radius:9px;padding:10px 21px;font-size:14px;font-weight:550;transition:background .15s}.primary{background:var(--accent);color:white}.primary:hover:not(:disabled){background:#7c472f}.entry-note{font-size:12px;color:var(--muted);margin-top:16px}.landing-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;margin-top:76px;padding-top:32px;border-top:1px solid var(--line)}.note-number{font-family:Georgia,serif;font-size:13px;color:#a79b86}.landing-notes h2{font-size:15px;font-weight:550;margin:10px 0 7px}.landing-notes p{font-size:13px;color:var(--muted);margin:0;line-height:1.8}.site-footer{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:23px 0 30px;font-size:11px;color:var(--muted)}.site-footer a:hover{text-decoration:underline}.chat-shell{max-width:960px}.status-badge{background:#eae6de;color:#716a5e;border:1px solid #ddd6c8;border-radius:30px;font-size:11px;padding:5px 12px;white-space:nowrap}.status-badge.is-ready{background:#e8eee2;color:#526547;border-color:#d7e1cf}.chat-main{padding:40px 0 22px}.chat-heading{display:flex;justify-content:space-between;align-items:center;gap:15px}.chat-heading .eyebrow{margin-bottom:6px;letter-spacing:2px}.chat-heading h1{font-size:28px;font-weight:550;letter-spacing:-.6px;margin:0}.subtle{background:transparent;border-color:var(--line);color:var(--muted);font-size:12px;padding:8px 12px;min-height:36px;gap:0}.subtle:hover:not(:disabled){background:#eeebe4}.readiness{font-size:12px;line-height:1.7;padding:12px 15px;margin:22px 0 0;background:#eee9dd;border-left:2px solid #c1ab84;border-radius:0 5px 5px 0;color:#75654c}.conversation{min-height:270px;max-height:55vh;overflow-y:auto;padding:22px 4px 22px 0;scrollbar-width:thin;scrollbar-color:#d1cabe transparent}.empty-state{text-align:center;padding:38px 10px 20px}.empty-mark{color:#a28b65;font-size:35px;line-height:1;margin-bottom:17px}.empty-state h2{font-size:18px;font-weight:450;margin:0 0 10px}.empty-state p{font-size:13px;color:var(--muted);margin:0}.empty-state span{display:block;font-size:11px;color:#9c978b;margin-top:17px}.chat-message{padding:17px 20px;margin:0 0 16px;border-radius:10px;background:var(--paper);border:1px solid var(--line)}.chat-message.from-user{background:#eeebe4;border-color:transparent;margin-left:36px}.chat-message.from-assistant{margin-right:36px}.message-label{font-size:11px;color:var(--accent);margin:0 0 6px;font-weight:650}.message-content{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.9;margin:0}.form-message{font-size:12px;min-height:20px;line-height:1.7;margin:0 0 8px;color:var(--muted)}.form-message.is-error{color:#a14035}.composer{background:var(--paper);border:1px solid #d9d2c6;border-radius:12px;padding:16px;box-shadow:0 6px 24px #46371c05}.input-label{font-size:11px;color:var(--muted);display:block;margin-bottom:8px}.composer textarea{background:transparent;border:0;width:100%;display:block;resize:vertical;min-height:82px;max-height:220px;color:inherit;line-height:1.8;font-size:14px;border-radius:3px}.composer textarea:disabled{color:#999388}.composer textarea::placeholder{color:#a39b8b}.composer-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:12px}.composer-footer>span{font-size:10px;color:#999185}.composer-footer .button{min-height:38px;padding:8px 16px;font-size:12px}.usage-note{font-size:10px;color:#938c80;line-height:1.8;margin:12px 4px 0}.chat-shell .site-footer{margin-top:12px}
@media(max-width:640px){.site-shell{padding:0 22px}.site-header{height:84px}.brand{font-size:20px}.brand-mark{height:36px;width:36px;font-size:23px}.quiet-label{font-size:10px}.landing{padding:58px 0 42px}.welcome-card h1{letter-spacing:-1px}.intro{font-size:15px;margin-top:22px}.landing-notes{grid-template-columns:1fr;gap:26px;margin-top:48px;padding-top:26px}.landing-notes>div{display:grid;grid-template-columns:26px 1fr;column-gap:10px}.note-number{grid-row:span 2;padding-top:2px}.landing-notes h2{margin:0 0 4px}.site-footer{flex-direction:column;gap:5px;font-size:10px;padding:19px 0}.chat-main{padding-top:28px}.chat-heading h1{font-size:23px}.chat-heading .eyebrow{font-size:8px;letter-spacing:1.2px}.chat-heading{align-items:flex-end}.readiness{margin-top:20px}.conversation{min-height:240px;max-height:48vh}.empty-state{padding-top:35px}.empty-state h2{font-size:16px}.empty-state p{font-size:12px}.chat-message.from-user{margin-left:18px}.chat-message.from-assistant{margin-right:18px}.chat-message{padding:14px}.message-content{font-size:13px}.composer{padding:13px}.composer-footer>span{font-size:9px;max-width:155px}.status-badge{font-size:10px;padding:4px 9px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}